When Camille Powers hits her head in a seemingly harmless fall, she finds herself in a strange world between life and death. Able to see but not interact with her regular life, she turns to the only friend she has left-Anna Grace, the spirit of a young girl Camille has seen around her since childhood. With Anna Grace's help, Camille learns she didn't just slip into this strange world but was dragged into it by a powerful centuries-old spirit that...